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384243 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

384243: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 631 OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, bore_diameter: 0.734 INCHES NOMINAL IN, coil_quantity: 13, inside_diameter: 0.536 INCHES NOMINAL IN, style_designator: CYLINDRICAL. This part is cataloged in the U.S.

Government catalog under NSN 5325-00-561-9497, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
384243
NSN: 5325-00-561-9497
NIINs: 005619497, 007733272
FSC: 5325 — Fastening Devices
CAGE: 65282 — WHITE MOTOR CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 631 OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
bore_diameter0.734 INCHES NOMINAL IN
coil_quantity13
inside_diameter0.536 INCHES NOMINAL IN
style_designatorCYLINDRICAL
spring_free_length2.292 INCHES NOMINAL IN
spring_solid_length1.196 INCHES NOMINAL IN
coil_helix_directionRIGHT-HAND OR LEFT-HAND
spring_deflection_rate35.175 POUNDS PER INCH NOMINAL LBS
accommodated_rod_diameter0.525 INCHES NOMINAL IN
spring_free_outside_diameter0.720 INCHES NOMINAL IN
NSN5325-00-561-9497
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 384243 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
SUBSTITUTES & CROSS-REFERENCES 1
A226047Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 384243?
384243 is a SPRING,HELICAL,COMPRESSION.
What parts can replace 384243?
There is 1 known substitute for 384243: A226047. Substitute compatibility should be verified for your specific system.
What is the NSN for 384243?
384243 is cataloged in the U.S. Government catalog under NSN 5325-00-561-9497. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.